Home / 6,653.47-9,181.48-3,818.88

Finding the Fourth Proportional to 6,653.47, 9,181.48 and 3,818.88

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Solution

The fourth proportional to 6,653.47, 9,181.48 and 3,818.88 is: 5,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.47 : 9,181.48 = 3,818.88 : x
  2. Step 2: Convert to fraction form
    6,653.47/9,181.48 = 3,818.88/x
  3. Step 3: Cross multiply
    6,653.47x = 9,181.48 × 3,818.88
  4. Step 4: Simplify right side
    6,653.47x = 35,062,970.34
  5. Step 5: Solve for x
    x = 35,062,970.34/6,653.47
  6. Step 6: Final answer
    x = 5,269.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.